diff --git a/specification/containerservice/resource-manager/Microsoft.ContainerService/aks/preview/2023-10-02-preview/examples/AgentPoolsDeleteMachines.json b/specification/containerservice/resource-manager/Microsoft.ContainerService/aks/preview/2023-10-02-preview/examples/AgentPoolsDeleteMachines.json
new file mode 100644
index 000000000000..aa9c04508594
--- /dev/null
+++ b/specification/containerservice/resource-manager/Microsoft.ContainerService/aks/preview/2023-10-02-preview/examples/AgentPoolsDeleteMachines.json
@@ -0,0 +1,22 @@
+{
+  "parameters": {
+    "api-version": "2023-10-02-preview",
+    "subscriptionId": "00000000-0000-0000-0000-000000000000",
+    "resourceGroupName": "rg1",
+    "resourceName": "clustername1",
+    "agentPoolName": "agentpool1",
+    "machines": {
+      "machineNames": [
+        "aks-nodepool1-42263519-vmss00000a",
+        "aks-nodepool1-42263519-vmss00000b"
+      ]
+    }
+  },
+  "responses": {
+    "202": {
+      "headers": {
+        "location": "https://management.azure.com/subscriptions/subid1/providers/Microsoft.ContainerService/locations/eastus/operationresults/00000000-0000-0000-0000-000000000000?api-version=2017-08-31"
+      }
+    }
+  }
+}
diff --git a/specification/containerservice/resource-manager/Microsoft.ContainerService/aks/preview/2023-10-02-preview/managedClusters.json b/specification/containerservice/resource-manager/Microsoft.ContainerService/aks/preview/2023-10-02-preview/managedClusters.json
index 61f132aed4d1..d25d20fad1ce 100644
--- a/specification/containerservice/resource-manager/Microsoft.ContainerService/aks/preview/2023-10-02-preview/managedClusters.json
+++ b/specification/containerservice/resource-manager/Microsoft.ContainerService/aks/preview/2023-10-02-preview/managedClusters.json
@@ -1348,6 +1348,64 @@
         }
       }
     },
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ContainerService/managedClusters/{resourceName}/agentPools/{agentPoolName}/deleteMachines": {
+      "post": {
+        "tags": [
+          "AgentPools"
+        ],
+        "operationId": "AgentPools_DeleteMachines",
+        "summary": "Deletes specific machines in an agent pool.",
+        "parameters": [
+          {
+            "$ref": "../../../../../../common-types/resource-management/v5/types.json#/parameters/ApiVersionParameter"
+          },
+          {
+            "$ref": "../../../../../../common-types/resource-management/v5/types.json#/parameters/SubscriptionIdParameter"
+          },
+          {
+            "$ref": "../../../../../../common-types/resource-management/v5/types.json#/parameters/ResourceGroupNameParameter"
+          },
+          {
+            "$ref": "#/parameters/ResourceNameParameter"
+          },
+          {
+            "$ref": "#/parameters/AgentPoolNameParameter"
+          },
+          {
+            "name": "machines",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/AgentPoolDeleteMachinesParameter"
+            },
+            "description": "A list of machines from the agent pool to be deleted."
+          }
+        ],
+        "responses": {
+          "202": {
+            "description": "Accepted",
+            "headers": {
+              "Location": {
+                "description": "URL to query for status of the operation.",
+                "type": "string"
+              }
+            }
+          },
+          "default": {
+            "description": "Error response describing why the operation failed.",
+            "schema": {
+              "$ref": "../../../../../../common-types/resource-management/v5/types.json#/definitions/ErrorResponse"
+            }
+          }
+        },
+        "x-ms-long-running-operation": true,
+        "x-ms-examples": {
+          "Delete Specific Machines in an Agent Pool": {
+            "$ref": "./examples/AgentPoolsDeleteMachines.json"
+          }
+        }
+      }
+    },
     "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ContainerService/managedClusters/{resourceName}/agentPools/{agentPoolName}/machines": {
       "get": {
         "tags": [
@@ -8836,6 +8894,22 @@
           "description": "Once the mode it set to Auto, it cannot be changed back to Manual."
         }
       }
+    },
+    "AgentPoolDeleteMachinesParameter": {
+      "type": "object",
+      "properties": {
+        "machineNames": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          },
+          "description": "The agent pool machine names."
+        }
+      },
+      "required": [
+        "machineNames"
+      ],
+      "description": "Specifies a list of machine names from the agent pool to be deleted."
     }
   },
   "parameters": {